The correct option is, there is a main effect for Factor A but there is no interaction.
What is two factor anova?
The mean of a quantitative The mean of a quantitative variable is estimated using a two-way ANOVA in relation to the levels of two categorical variables.
Two-way analysis of variance is an extension of one-way analysis of variance in statistics that looks at the impact of two different categorical independent variables on a single continuous dependent variable.
The parallel lines indicates no interaction effect.
For the above problem option 'a' is correct.
There is a main effect for Factor A but there is no interaction
Hence, the correct option is, there is a main effect for Factor A but there is no interaction.
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Complete question:
A two-factor ANOVA is conducted and the data are plotted. The chart shows two parallel lines separated by a distance of 9 points. The lines represent Factor A and the x axis of the chart represents the levels of Factor B. How should you interpret these results?
Select one:
a. There is a main effect for Factor A but there is no interaction
b. There is a main effect for Factor A and there is also an interaction effect
c. There is a main effect for Factor B and there is an interaction effect
d. There is no interaction effect and no main effects
